94.16: A car of mass m, traveling at speed-rxctc fkxbo55p x8t6 7(w rq( v, stops in time t when maximum braking force is applied. Assuming the braking force is independent of mass, what time would be required to stop a car of mass 2m trxctx5f qb7 6 -kt8xrwcop(r(5aveling at speed v?

  96.04: When the velocity of a moving object is doubledi9qh vy.u *w/a, its_______is also doubled.*9/yw a.qiuvh

  96.06: Impulse, Fneiaksz ;q2 3v dly(gku y;x f*)g6)wu-ut $\Delta$tis best related to:

  17.05: Which one of the following choices is most ax:w7/ v (b;tudhao,r closely associated with the following observation about an isolated object: “The (duvwa:;7r,/htax oblinear momentum of the object is constant.”?

  17.21: The change in s1yh23 8s u)3gufe +2jinpt0vmjfk( dlinear momentum of an object is always in the same directionkvn2ihf8uj+(pj) 21 tu ges0smf3 d3y as the

  95.08: How long must a 100 N netkyft6 x+4 w;vekcb81.w sul d s:7ukp5 force act to produce a change in momentum of 200 uy ;.:seuc5w1dk6 p+kft8 x7vsl4k bw kg.m/s?

  95.29: P and Q have the same momentum. Q can have more kinetic energy than P 5 ned/fbk2n5 n+h chj/if it:k/2 jc n/+he5 5nhbfdn

  98.26: A ball with a mass of 0.5vgx2uut m: 5xt4,* .kyoq /gqa0 kg and a speed of 6.0 m/s collides perpendicularly with 25xu x*y,qmgqagto. k t:uv4/a wall and bounces off with a speed of 4.0 m/s in the opposite direction. What is the magnitude of the impulse acting on the ball?

  01.08: A 50 kilogram gymnast falls freely from a height;, wrftwhn,be 3j s(a, of 4 meters on to a trampoline. The trampoline then bounces her back upward with a speed equal to th 3bwt( ,,,nfrjes aw;he speed at which she first struck the trampoline. What is the average force the trampoline applies on the gymnast?

  17.27: A 2.0 kg mass moves at 10.0 m/s whenkcy. .uxbvm2 * it has a collision in space. The mass’s speed was unchanged, but thcky b.x* 2uv.me direction of its velocity was altered by $80^{\circ}$. If the collision lasted 0.25 s, what was the magnitude of the average force exerted on the mass?

  05.13: A bat striking a 0.125 kg-baseball is in contact with the ball for eu 2.2 pfuud6m lwfm i0argmg0o.4x )7a time of 0.03 seconds. The ball travels in a straight line as it approaches and then leaves the bat. If the ball arrives at the bat withmu wf26l m4 g.)dmra.20uou ifex g07p a velocity of 4.5 m/s and leaves with a velocity of-6.5 m/s, what is the magnitude of the average force acting on the ball?

  15.43: An object of mass 4.0 g has atotal kinetic energy of 100.0 J and an x-cf /p.4 2 h51esgow1wfewzr ol6omponent of linear momentum equal to 24.0 kg.m/s. The object is moving in the x-yf5 o/164ep1zsw.olfrwew 2gh plane. What is they-component of the object’s linear momentum?

  13.05: At an instant of time t, a point object of mass M moves wis nzag3nd+o y4t:+,vr ,vcyr1th velocity V, has acceleration a, and is at position (x,y). In what direction must the linear momentum of the object be directed at th 3v+ndy1sz,4rr,tyo:a + vgncis instant?

  10.32: A rubber ball of mass 2.0 kg falling straight downward hits the grounic 2k gg6nyd 82q ;.uzdf8xzy /c3i:lnd with a speed of 0.90 m/s and then rebounds straight upward with a speed of 0.60 m/s. The collision time of the ball with the ground is 0.25 sic6.ncxg n u3z2dy8/zlq fg28k:;diy. Treat g = 10 N/kg.
What is the magnitude of the average acceleration (in units of $m/s^{2}$ ) of the ball while it is in contact with the ground?

  10.33: A rubber ball of mass nlzy7. 8vl((29zc8k qdsi lzq2.0 kg falling straight downward hits the ground with a speed of 0.90 m/s and then rebounds straight upward with a speed of 0.60 m/s. The collision time of the ball with the ground is 0.25 s. Treat g = 10 N/lnlidc 8v2z9q.q 8s7(y lkz (zkg.
What is the magnitude of the average force (in units of Newtons) exerted by the ground on the ball while they are in contact?

  14.12: A box of mass 5.0 kg is bi1nzfpd :d.s 2eing pushed to the right across a horizontal surface while a constant frictional force of 8.0 N acts on the box. At some instant of time, the box has a speed of 4.0 m/s and an acceleration nps 2:1ddfi z.of$3.0\; m/s^{2}$ . What is the magnitude of the net force acting on the box at this instant?

  15.12: A box of mass 12.0 kg is being pus 0gkwv c)nhy+5hed to the right across a horizontal surface. When the box has 12.0 J of kinetic energy, a 12.0 N net force acts on it. Which one of the following choices best represents the magnitude oycn)g0wk5 v+ hf the linear momentum of the box at this instant?